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29434869 = 323722389
BaseRepresentation
bin111000001001…
…0001111110101
32001101110001100
41300102033311
530013403434
62530520313
7505122642
oct160221765
961343040
1029434869
1115684942
129a36099
1361379a9
143ca2dc9
1528b6699
hex1c123f5

29434869 has 18 divisors (see below), whose sum is σ = 43715490. Its totient is φ = 19084896.

The previous prime is 29434859. The next prime is 29434877. The reversal of 29434869 is 96843492.

It can be written as a sum of positive squares in 3 ways, for example, as 12320100 + 17114769 = 3510^2 + 4137^2 .

It is not a de Polignac number, because 29434869 - 29 = 29434357 is a prime.

It is a super-2 number, since 2×294348692 = 1732823026094322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29434829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11127 + ... + 13515.

Almost surely, 229434869 is an apocalyptic number.

It is an amenable number.

29434869 is a deficient number, since it is larger than the sum of its proper divisors (14280621).

29434869 is a wasteful number, since it uses less digits than its factorization.

29434869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469 (or 2429 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 29434869 is about 5425.3911379734. The cubic root of 29434869 is about 308.7597655180.

It can be divided in two parts, 29434 and 869, that added together give a palindrome (30303).

The spelling of 29434869 in words is "twenty-nine million, four hundred thirty-four thousand, eight hundred sixty-nine".

Divisors: 1 3 9 37 111 333 1369 2389 4107 7167 12321 21501 88393 265179 795537 3270541 9811623 29434869